Living on Sumba

The practical side of owning a home on the island.

Getting there

Tambolaka (Lede Kalumbang) Airport (TMC): Runway 2,300 x 45 m (an extension to 2,500 m is planned). About 5 km from Tambolaka centre.
Umbu Mehang Kunda Airport (Waingapu) (WGP): Runway 1,950 x 30 m. About 4 km from Waingapu centre.

Airport	Route	Airlines	Frequency
TMC	Denpasar (DPS)	Batik Air, Nam Air, Sriwijaya Air	89 flights in the month shown (about 3/day); ~1 h, 452 km
TMC	Kupang (KOE)	Nam Air, Wings Air	42 flights/month. Wings Air started Kupang-Tambolaka in June 2026.
TMC	Surabaya (SUB)	Nam Air	12 flights/month
TMC	Labuan Bajo (LBJ)	Wings Air	13 flights/month, seasonal (Nov-Mar)
WGP	Lombok Praya (LOP)	Wings Air	60 flights/month (IW1887 seen 7 Sep 2026)
WGP	Denpasar (DPS)	Sriwijaya Air, TransNusa (seasonal)	34 flights/month; FlightConnections marks it seasonal Nov-Mar, but Sriwijaya SJ741 was also seen on 7 Sep 2026
WGP	Kupang (KOE)	Wings Air	30 flights/month (IW1922)
WGP	Savu (SAU)	Susi Air	0 flights in the month shown (irregular)

Schedules change often. Check with the airline before you book.

By road: {"tambolaka_to_waingapu_km":168,"drive_time":"about 2 h 24 min","source":"https://www.rome2rio.com/s/Tambolaka/Waingapu"}

Telkomsel has the widest mobile coverage. XL works in Waingapu and Waikabubak but drops off in rural areas. Data is slow or absent at many beaches and villages. (backindo.com)
Starlink is sold in Indonesia. New sign-ups were paused nationwide from 13 to 23 Jul 2025 for capacity reasons, then resumed. Plans at resumption: Residensial Lite IDR 479k/month, Residensial IDR 750k/month, Jelajah IDR 1.639M/month, business Lokal Prioritas IDR 647k/month. (teknologi.bisnis.com)
Background on the July 2025 pause (capacity sold out nationwide). (industri.kontan.co.id)

PLN NTT reports a 96.5% household electrification ratio and about 97.56% of villages electrified, province-wide. No Sumba-specific figure was found. (listrikindonesia.com)
Sumba has been the 'Iconic Island' renewable-energy pilot (HIVOS, PLN, government). An old article (c. 2013) put the island's electrification at about 60% at that time. (kbr.id)
In many listings power runs along the main road but must be connected to the plot at the buyer's expense, e.g. Mandorak. (nicobalivillas.com)

Clean water is scarce in parts of Southwest Sumba. A 2026 report describes new clean-water access there, and a news headline reports residents walking about 6 km for water. (goodnewsfromindonesia.id)
The Sumba Foundation (based at Nihiwatu, Hoba Wawi) builds wells, pipelines and water stations in West Sumba villages and runs clinics. It reports over 485,000 patients treated and a 94% malaria reduction in its area. (sumbafoundation.org)

A new building was due Dec 2024, with planned CT scan, mammography and cath-lab equipment and a role as referral centre for cancer and heart disease. (setneg.go.id)
Hospital in Southwest Sumba staffed partly by Universitas Indonesia alumni; resources described as limited. (fk.ui.ac.id)
Main regional hospital for East Sumba. An NGO says it serves nearly 800,000 people. (fairfuturefoundation.org)
Regional hospital with a 2024 service-standards document. (sippn.menpan.go.id)
Free clinic and maternal ultrasound programme. (sumbafoundation.org)

No international school on Sumba was found in this research; schooling is local Indonesian schools. Families typically look to Bali. (No source found; verify.)

BPS Construction Cost Index (IKK) 2025 for Southwest Sumba is 92.26, down 4.34 points from 2024. The index is benchmarked against Surabaya, so building costs are slightly below that city's level. (databoks.katadata.co.id)
Bali reference (2023 market): about IDR 6M/m2 very basic, 7-8M local contractor, 10M managed western standard, 15M luxury. No Sumba-specific per-m2 figure found. Remote-site logistics usually add cost. (abrotherabroad.com)

News from the island: The Sumba Times.